Patents by Inventor Heidrun E. Maaser

Heidrun E. Maaser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid softergent formulations having improved stability and softening properties
    Patent number: 5151223
    Abstract: Liquid softergent compositions having improved softening and stability properties comprising an anionic optical brightener, a higher alkyl dimethyl 2-ethyl hexyl quaternary ammonium compound, a nonionic surfactant and preferably an anionic surfactant in a 1:1 molar ratio with the cationic quaternary compound in an aqueous vehicle; and a method of simultaneously cleaning and softening fabrics without reducing brightener and detergency performance, which comprises treating fabrics with said composition in the wash cycle of the laundering operation.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: September 29, 1992
    Assignee: Colgate-Palmolive Company
    Inventor: Heidrun E. Maaser
  • Liquid detergent having improved softening properties
    Patent number: 5035814
    Abstract: Liquid detergent compositions having improved softening and detergency properties comprising an alkyl glycoside, as the sole softening agent, a nonionic surfactant and an anionic surfactant as the three essential ingredients; and a method of simultaneously cleaning and softening without reducing brightener and detergency performance, which comprises treating fabrics with said composition in the wash cycle of the laundering operation.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: July 30, 1991
    Assignee: Colgate-Palmolive Company
    Inventor: Heidrun E. Maaser